training for a triathlon is a huge commitment. an east bay man a has an unusual reason to run, swim and bike. it is tonight's bay area proud. on the bike johnathon rigby uses there are 24 gears. it's the rest of his life, however, where johnathon uses but a single speed. >> sucks. yeah, life. husband, father, ceo, triathlete. the way johnathon attacks life you would think there were something chasing him. in a way there is, his disease.